/*
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *  http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.skatiger.jrove.servlet.enumeration;

import java.util.Enumeration;
import java.util.NoSuchElementException;

public final class EmptyEnumeration
        implements Enumeration<Object> {
    private static final EmptyEnumeration INSTANCE = new EmptyEnumeration();

    public static final EmptyEnumeration instance() {
        return INSTANCE;
    }

    public boolean hasMoreElements() {
        return false;
    }

    public Object nextElement() {
        throw new NoSuchElementException("NullEnumeration has no elements");
    }
}
